AS40272 Allen Institute

ALLENINSTITUTE - Allen Institute · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,510largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#66,289of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40272 in ASN lookup Look up an IP in this network (163.123.189.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

163.123.189.0/24

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ASNNameIPv4 addresses

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AS40274#15511 PALISADE-CAPITAL - Palisade Capital Management, LP256

AS40275#15512 SECURITYMETRICS - SecurityMetrics, Inc.256

AS40277#15513 CROUSE-HOSPITAL-AS - Crouse Hospital256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources